NLM copy 1 is fifth item in bound pamphlet volume W6 P3 v.91
NLM copy 2 is fourth item in bound pamphlet volume W6 P3 v.573 no.4
NLM copy 3 is bound with: Horner, G.R.B. Medical and topographical observations upon the Mediterranean. Philadelphia, 1839; Freckleton, George. Outlines of general pathology. Philadelphia, 1839; Dale, J.W. Essay upon the question, Is medical science favourable to scepticism? Philadelphia, 1839